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Su alcuni casi di Balbuzie in coppie gemellali mono- e dizigotiche

Published online by Cambridge University Press:  01 August 2014

L. Gedda ,
L. Braconi  and
G. Bruno
L. Gedda
Affiliation:
Istituto di Genetica Medica e Gemellologia, « Gregorio Mendel » Istituto di Clinica Oto-Rino-Laríngoíatrica, dell'Università di Roma
L. Braconi
Affiliation:
Istituto di Genetica Medica e Gemellologia, « Gregorio Mendel » Istituto di Clinica Oto-Rino-Laríngoíatrica, dell'Università di Roma
G. Bruno
Affiliation:
Istituto di Genetica Medica e Gemellologia, « Gregorio Mendel » Istituto di Clinica Oto-Rino-Laríngoíatrica, dell'Università di Roma

Summary

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The Authors present two MZ (one ♂ ♂ cf and one ♀ ♀) and four DZ (two ♂ ♂ and two ♂ ♀) twin-pairs aged from 7 to 12, selected among the Institute's pairs, as representing different etiopathogenetic mechanisms of stammering.

After summarizing the literature on the inheritance of logopathy, the Authors discuss the clinical cases and draw the following conclusions:

a) Stammering does not always follow the laws of dominance and recessivity;

b) There is no evidence of a sex-linked transmission;

c) Other logopathies, like battarism and tachylalia seem to possess a common substratus with stammering.

Riassunto

Riassunto

Gli AA. presentano N. 6 coppie di gemelli (2 MZ, una ♀ ♀ ed una ♂ ♂; 4 DZ, due ♂ ♂ e due ♂ ♀) dai 7 ai 12 anni, scelte nella casistica dell'Istituto in quanto rappresentative di meccanismi etiopatogenetici diversi della balbuzie.

Dopo aver riassunto la letteratura sull'ereditarietà della logopatia discutono i casi clinici e traggono le seguenti conclusioni:

a) la balbuzie non segue sempre le leggi di dominanza o recessività;

b) non vi è una evidente trasmissione legata al sesso;

c) altre logopatie come l'abburrattamento e la tachilalia sembrano avere un substrato comune con la balbuzie.

Résumé

RÉSUMÉ

Les Auteurs présentent 6 couples gémellaires: 2 MZ (dont un ♂ ♂ et un ♀ ♀) et 4 DZ (dont deux ♂ ♂ et deux ♂ ♀) âgés de 7 à 12 ans, choisis parmi les couples de l'Institut, en tant que représentatifs de divers mécanismes étiopathogénétiques du bégaiement.

Après avoir résumé la littérature sur l'hé-réditariété de la logopathie, les Auteurs discutent les cas cliniques et tirent les conclusions suivantes:

a) le bégaiement ne suit pas toujours les lois de dominance ou récessivité;

b) la transmission ne semble pas être sexelinkée;

c) d'autres logopathies, telles que le bréduillement et la tachylalie semblent avoir un substrat commun avec le bégaiement.

Zusammenfassung

ZUSAMMENFASSUNG

Die Verfasser stellen zwei EZ (1 ♂ ♂ und 1 ♀ ♀) und vier ZZ (2 ♂ ♂ und 2 r ♀) 7-12järig Zwillingspaaren dar, die in der Instituts Kasistik gewählt worden sind, da sie verschiedene etiopathogenetische Mechanismen schauen.

Nachdem sie die Litteratur über die Vererbung der Logopathie zusammengefasst haben, diskutieren die Verfasser die klinische Fälle und kommen zu den folgenden Schlüssen;

a) Das Stottern wird nicht immer nach den Dominanz- und Rezessivität-Geset-zen vererbt;

b) Es gibt keine offenbare Geschlecht-verbindet Vererbung;

c) Andere Logopathien, wie der Battarismus und die Tachylalie scheinen dasselbe Substratum des Stotterns zu besitzen.

Type
Research Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 9 , Issue 4 , October 1960 , pp. 407 - 426
Copyright
Copyright © The International Society for Twin Studies 1960

References

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